Specializing in building semi-custom vessels, Neptunus Yachts has a 40-year heritage as a Dutch builder of motoryachts. They are recognized as a North American leader in manufacturing 50 to 80 foot luxury yachts. Ontario is the home of their 72,000-square-foot facility on 7 acres, where their goal is to build a yacht that customers believe is “the best yacht they ever owned.” Your search results for Neptunus Yachts for sale are below. Click on an image to find out more about that yacht.